From: Liang He <windhl@126.com>
Date: Tue, 28 Jun 2022 11:29:39 +0000 (+0800)
Subject: ARM: OMAP2+: omap4-common: Fix refcount leak bug
X-Git-Tag: v6.1.16~363
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1d9452ae3bdb830f9309cf10a2f65977999cb14e;p=users%2Fdwmw2%2Flinux.git

ARM: OMAP2+: omap4-common: Fix refcount leak bug

[ Upstream commit 7c32919a378782c95c72bc028b5c30dfe8c11f82 ]

In omap4_sram_init(), of_find_compatible_node() will return a node
pointer with refcount incremented. We should use of_node_put() when
it is not used anymore.

Signed-off-by: Liang He <windhl@126.com>
Message-Id: <20220628112939.160737-1-windhl@126.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 6d1eb4eefefe5..d9ed2a5dcd5ef 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -140,6 +140,7 @@ static int __init omap4_sram_init(void)
 			__func__);
 	else
 		sram_sync = (void __iomem *)gen_pool_alloc(sram_pool, PAGE_SIZE);
+	of_node_put(np);
 
 	return 0;
 }